diff --git a/pkg/services/live/managedstream/cache_memory.go b/pkg/services/live/managedstream/cache_memory.go
index e90afd06a0b..1f7f44f0826 100644
--- a/pkg/services/live/managedstream/cache_memory.go
+++ b/pkg/services/live/managedstream/cache_memory.go
@@ -6,18 +6,22 @@ import (
 	"sync"
 
 	"github.com/grafana/grafana-plugin-sdk-go/data"
+
+	"github.com/grafana/grafana/pkg/infra/log"
 )
 
 // MemoryFrameCache ...
 type MemoryFrameCache struct {
 	mu     sync.RWMutex
 	frames map[int64]map[string]data.FrameJSONCache
+	log    log.Logger
 }
 
 // NewMemoryFrameCache ...
 func NewMemoryFrameCache() *MemoryFrameCache {
 	return &MemoryFrameCache{
 		frames: map[int64]map[string]data.FrameJSONCache{},
+		log:    log.New("live.memoryframecache"),
 	}
 }
 
@@ -39,7 +43,13 @@ func (c *MemoryFrameCache) GetFrame(ctx context.Context, orgID int64, channel st
 	c.mu.RLock()
 	defer c.mu.RUnlock()
 	cachedFrame, ok := c.frames[orgID][channel]
-	return cachedFrame.Bytes(data.IncludeAll), ok, nil
+	raw := cachedFrame.Bytes(data.IncludeAll)
+	c.log.Debug("Cache get",
+		"orgId", orgID,
+		"channel", channel,
+		"length", len(raw),
+	)
+	return raw, ok, nil
 }
 
 func (c *MemoryFrameCache) Update(ctx context.Context, orgID int64, channel string, jsonFrame data.FrameJSONCache) (bool, error) {
@@ -51,5 +61,10 @@ func (c *MemoryFrameCache) Update(ctx context.Context, orgID int64, channel stri
 	cachedJsonFrame, exists := c.frames[orgID][channel]
 	schemaUpdated := !exists || !cachedJsonFrame.SameSchema(&jsonFrame)
 	c.frames[orgID][channel] = jsonFrame
+	c.log.Debug("Cache update",
+		"orgId", orgID,
+		"channel", channel,
+		"length", len(jsonFrame.Bytes(data.IncludeAll)),
+	)
 	return schemaUpdated, nil
 }